Mineral apophyllite [Argentine spar]. Offers gems and minerals from India for JH's experiments. David Brewster's papers raise questions about polarized light. Describes microscope SY found.
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Mineral apophyllite [Argentine spar]. Offers gems and minerals from India for JH's experiments. David Brewster's papers raise questions about polarized light. Describes microscope SY found.
Laid up with gout. Thanks JH for proposing SY's eldest son [George] as member of taxonomical society. SY trying to gain captain's commission for son under Lord Melville [R. S. Dundas]. Describes crystal that SY cannot identify.
Sends form signed by SY's eldest son [George] to JH, who will stand proxy for SY's son, still at sea. SY eager to exchange minerals with JH. Invites JH to Formosa Cottage after Christmas.
Returning to Cookham. Thanks for minerals. Describes shipment of new minerals from Baffin Bay. Expecting another from Rio de la Plata, courtesy of Woodbine Parish [consul-general to Buenos Aires].
Residing outside London. Will return for balloting of [William?] Bridgman at Thursday's R.S.L. meeting.
Will show JH largest specimen of apophyllite [Argentine spar] in kingdom.